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-rw-r--r--HISTORY4
-rw-r--r--config.h4
-rw-r--r--dvbdevice.c14
3 files changed, 15 insertions, 7 deletions
diff --git a/HISTORY b/HISTORY
index 17fa92fe..6ca76bc1 100644
--- a/HISTORY
+++ b/HISTORY
@@ -2433,3 +2433,7 @@ Video Disk Recorder Revision History
full (suggested by Emil Naepflein).
- Channel IDs are now checked when reading 'channels.conf' to avoid later
problems with timers.
+
+2003-10-19: Version 1.2.6pre2
+
+- Improved cDvbDevice::StillPicture() (thanks to Thomas Heiligenmann).
diff --git a/config.h b/config.h
index a5b33541..6faca7c5 100644
--- a/config.h
+++ b/config.h
@@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
- * $Id: config.h 1.176 2003/10/17 12:35:23 kls Exp $
+ * $Id: config.h 1.176.1.1 2003/10/19 11:43:07 kls Exp $
*/
#ifndef __CONFIG_H
@@ -19,7 +19,7 @@
#include "device.h"
#include "tools.h"
-#define VDRVERSION "1.2.6pre1"
+#define VDRVERSION "1.2.6pre2"
#define VDRVERSNUM 10206 // Version * 10000 + Major * 100 + Minor
#define MAXPRIORITY 99
diff --git a/dvbdevice.c b/dvbdevice.c
index fd0a0d0d..0dedfe81 100644
--- a/dvbdevice.c
+++ b/dvbdevice.c
@@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
- * $Id: dvbdevice.c 1.67 2003/10/17 15:36:13 kls Exp $
+ * $Id: dvbdevice.c 1.67.1.1 2003/10/19 11:41:07 kls Exp $
*/
#include "dvbdevice.h"
@@ -957,10 +957,14 @@ void cDvbDevice::StillPicture(const uchar *Data, int Length)
// skip header extension
if ((Data[i + 6] & 0xC0) == 0x80) {
// MPEG-2 PES header
+ if (Data[i + 8] >= Length)
+ break;
offs += 3;
offs += Data[i + 8];
len -= 3;
len -= Data[i + 8];
+ if (len < 0 || offs + len >= Length)
+ break;
}
else {
// MPEG-1 PES header
@@ -968,19 +972,19 @@ void cDvbDevice::StillPicture(const uchar *Data, int Length)
offs++;
len--;
}
- if ((Data[offs] & 0xC0) == 0x40) {
+ if (offs <= Length - 2 && len >= 2 && (Data[offs] & 0xC0) == 0x40) {
offs += 2;
len -= 2;
}
- if ((Data[offs] & 0xF0) == 0x20) {
+ if (offs <= Length - 5 && len >= 5 && (Data[offs] & 0xF0) == 0x20) {
offs += 5;
len -= 5;
}
- else if ((Data[offs] & 0xF0) == 0x30) {
+ else if (offs <= Length - 10 && len >= 10 && (Data[offs] & 0xF0) == 0x30) {
offs += 10;
len -= 10;
}
- else if (Data[offs] == 0x0F) {
+ else if (offs < Length && len > 0) {
offs++;
len--;
}